Dell PowerEdge T320 Technical Guide - Page 19

Dell PowerEdge T320 Systems, Manual - memory configuration

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The T320 supports the DIMMs listed in Table 9. For the latest information on supported memory, visit Dell.com. Capacity (GB) 2 2 2 4 4 4 4 8 8 16 16 Speed (MT/s) 1333 1333 1600 1333 1333 1333 1600 1333 1600 1333 1600 Type Ranks per Data DIMM width RDIMM 1 x8 UDIMM 1 x8 RDIMM 1 x8 RDIMM 2 x8 RDIMM 1 x4 UDIMM 2 x8 RDIMM 2 x8 RDIMM 2 x4 RDIMM 2 x4 RDIMM 2 x4 RDIMM 2 x4 SDDC support Advanced ECC Advanced ECC Advanced ECC Advanced ECC All modes Advanced ECC Advanced ECC All modes All modes All modes All modes Voltage 1.35 1.35 1.5 1.35 1.35 1.35 1.5 1.35 1.5 1.35 1.5 Flexible memory configurations are supported on the T320, ranging from capacities of 2GB to 96GB. The system supports up to 6 DIMMs. The T320 has 3 memory channels per processor, with each channel supporting up to 2 DIMMs. The T320 supports a flexible memory configuration according to these basic rules:  Speed: If DIMMs of different speeds are mixed, all channels across all processors operate at the slowest DIMM's common frequency.  DIMM type: Only one type of DIMM can be used in a system. UDIMMs and RDIMMs cannot be mixed. The following additional memory population guidelines apply to the T320:  Up to two quad-rank (QR), dual-rank (DR), or single-rank (SR) DIMMs may be populated per channel.  DIMMs must be installed in each channel, starting with the DIMM farthest from the processor.  DIMMs should be installed with largest rank count to smallest. For example, if DR DIMMS are mixed with SR DIMMs, DR DIMMS should be placed in the lowest DIMM slots, followed by the SR DIMMs. For more information on memory configuration, see the Dell PowerEdge T320 Systems Owner's Manual on Support.Dell.com/Manuals. The T320 supports memory speeds of 1600MT/s, 1333MT/s, 1066MT/s, and 800MT/s depending on the DIMM types installed and the configuration. All memory on all processors and channels run at the same speed and voltage. By default, the systems run at the highest speed for the channel with the lowest DIMM voltage and speed. The operating speed of the memory is also determined by the

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The T320 supports the DIMMs listed in Table 9. For the latest information on supported memory,
visit
Dell.com
.
Capacity
(GB)
Speed
(MT/s)
Type
Ranks per
DIMM
Data
width
SDDC support
Voltage
2
1333
RDIMM
1
x8
Advanced ECC
1.35
2
1333
UDIMM
1
x8
Advanced ECC
1.35
2
1600
RDIMM
1
x8
Advanced ECC
1.5
4
1333
RDIMM
2
x8
Advanced ECC
1.35
4
1333
RDIMM
1
x4
All modes
1.35
4
1333
UDIMM
2
x8
Advanced ECC
1.35
4
1600
RDIMM
2
x8
Advanced ECC
1.5
8
1333
RDIMM
2
x4
All modes
1.35
8
1600
RDIMM
2
x4
All modes
1.5
16
1333
RDIMM
2
x4
All modes
1.35
16
1600
RDIMM
2
x4
All modes
1.5
Flexible memory configurations are supported on the T320, ranging from capacities of 2GB to
96GB. The system supports up to 6 DIMMs. The T320 has 3 memory channels per processor, with
each channel supporting up to 2 DIMMs.
The T320 supports a flexible memory configuration according to these basic rules:
Speed: If DIMMs of different speeds are mixed, all channels across all processors operate at the
slowest DIMM’s common frequency.
DIMM type: Only one type of DIMM can be used in a system. UDIMMs and RDIMMs cannot be
mixed.
The following additional memory population guidelines apply to the T320:
Up to two quad-rank (QR), dual-rank (DR), or single-rank (SR) DIMMs may be populated per
channel.
DIMMs must be installed in each channel, starting with the DIMM farthest from the processor.
DIMMs should be installed with largest rank count to smallest. For example, if DR DIMMS are
mixed with SR DIMMs, DR DIMMS should be placed in the lowest DIMM slots, followed by the SR
DIMMs.
For more information on memory configuration, see the
Dell PowerEdge T320 Systems
Owner’s
Manual
on
Support.Dell.com/Manuals
.
The T320 supports memory speeds of 1600MT/s, 1333MT/s, 1066MT/s, and 800MT/s depending on
the DIMM types installed and the configuration. All memory on all processors and channels run at
the same speed and voltage. By default, the systems run at the highest speed for the channel with
the lowest DIMM voltage and speed. The operating speed of the memory is also determined by the